#403A69#403A69

#403A69 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.8% C 0.079 H 287.9°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#403A69
RGB	rgb(64, 58, 105)
HSL	hsl(248, 29%, 32%)
HSV	hsv(248, 45%, 41%)
CMYK	cmyk(39%, 44.8%, 0%, 58.8%)
CIE-LAB	lab(27.12, 15.17, -26.67)
CIE-LCH	lch(27.12, 30.68, 299.62°)
OKLab	oklab(37.77% 0.0242 -0.075)
OKLCH	oklch(37.77% 0.079 287.9)
XYZ	xyz(6.1765, 5.1358, 14.0278)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403A69 #63693A

analogous

#3A4C69 #403A69 #583A69

triadic

#403A69 #69403A #3A6940

tetradic

#403A69 #693A4C #63693A #3A6958

square

#403A69 #693A4C #63693A #3A6958

split-complementary

#403A69 #69583A #4C693A

monochromatic

#100E1A #282442 #403A69 #585090 #776EAF

Accessibility & contrast

On white

10.36

#403A69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#403A69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403A69

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403A69	#FFFFFF	#000000	##FFFFFF
##403A69	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A416B

Deuteranopia (green-blind)

#2A3F68

Tritanopia (blue-blind)

#35434C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #403a69;
/* rgb */ color: rgb(64, 58, 105);
/* oklch */ color: oklch(37.8% 0.079 287.9);

Tailwind

colors: {
  custom: {
    50: '#777094',
    500: '#403a69',
    950: '#000000',
  },
}

SCSS

$custom: #403a69;
$custom-light: #777094;
$custom-dark: #000000;

JSON

{
  "hex": "#403a69",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 105
  },
  "hsl": {
    "h": 247.66,
    "s": 28.834,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37768,
    "c": 0.07884,
    "h": 287.9
  },
  "luminance": 0.05136
}

Semantic roles & 50–950 ramp

primary

#403A69

secondary

#939966

accent

#C563B9

background

#F7F6F9

surface

#EDECF1

border

#C8C7CB

text

#09070D

muted

#7B7A7E

Preview Lab

Preview with #403A69

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →